US 12,434,491 B2
Printing apparatus having drying unit and drying control method
Yusuke Nakaya, Tokyo (JP); Masahiro Sugimoto, Kanagawa (JP); Ryosuke Sato, Kanagawa (JP); Kengo Nieda, Kanagawa (JP); Shunya Sunouchi, Tokyo (JP); and Yuichiro Yanagi, Chiba (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Dec. 15, 2023, as Appl. No. 18/542,319.
Claims priority of application No. 2022-203763 (JP), filed on Dec. 20, 2022.
Prior Publication US 2024/0198695 A1, Jun. 20, 2024
Int. Cl. B41J 11/00 (2006.01)
CPC B41J 11/0022 (2021.01) 10 Claims
OG exemplary drawing
 
1. An inkjet printing apparatus comprising:
a printing unit configured to perform printing by ejecting ink to a printing medium; and
a drying unit configured to dry the printing medium,
wherein the drying unit includes:
an air blower having an entry and an exit,
a heater configured to heat air sent from the exit of the air blower,
a casing having a first portion configured to communicate with the heater, and a second portion that is configured to communicate with the first portion and is configured to pass the printing medium through the second portion,
a first collection path configured to communicate with the first portion and the entry of the air blower,
a second collection path configured to communicate with the second portion and the entry of the air blower, and
an exhaust amount regulator configured to switch between a first regulation state in which air circulates through the first portion and the first collection path and a second regulation state in which air circulates through the second portion and the second collection path,
wherein the exhaust amount regulator is a regulation valve disposed in each of the first and second collection paths.